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<html>

<head>
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<body class="container">
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    <h2>徽章</h2>
    <h1>标题1 <span class="badge bg-secondary">徽章</span></h1>
    <h2>标题2 <span class="badge bg-secondary">徽章</span></h2>
    <h3>标题3 <span class="badge bg-secondary">徽章</span></h3>
    <h4>标题4 <span class="badge bg-secondary">徽章</span></h4>
    <h5>标题5 <span class="badge bg-secondary">徽章</span></h5>
    <h6>标题6 <span class="badge bg-secondary">徽章</span></h6>
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